GB1227914A - - Google Patents

Info

Publication number
GB1227914A
GB1227914A GB1227914DA GB1227914A GB 1227914 A GB1227914 A GB 1227914A GB 1227914D A GB1227914D A GB 1227914DA GB 1227914 A GB1227914 A GB 1227914A
Authority
GB
United Kingdom
Prior art keywords
mandrel
die
head
tube
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1227914A publication Critical patent/GB1227914A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

1,227,914. A die for laminated films. NORTHERN PETROCHEMICAL CO. 25 April, 1969 [26 April, 1968], No. 21298/69. Heading B5B. [Also in Division F2] A die for the extrusion of laminated plastic tubing is shown in Fig. 1. Material for the inner ply is supplied through tube 18, the conduit 19 the axial tube 20 and the four radial tubes 21 to the annular chamber 22 and material for the outer ply is supplied through the tube 28 and the feed hole 31 to the chamber 30. From chambers 22 and 30 the inner and outer ply materials are delivered to the annular conical chamber 43, in a molten state and flow under conditions of laminar flow to the die mouth 44. A molten laminate is produced in chamber 43 by virtue of the ring 42. Air from the supply 35 is delivered to the interior of the tube so formed via the hydraulic coupling 33, the tube 32, the hydraulic coupling 34 and the outlet 36 in order to inflate and hence support the extruded tubing. A mandrel 14, the rear end of which threadably engages a nut 15 and the forward end of which threadably engages mandrel head 25, fits slidably in the cylindrical die casing 10. The chambers 22, 30, 43 and the ring 42 are formed by shaping of the mandrel, the die casing and the mandrel head. As can be seen from Fig. 1 the thickness of the film, and the relative thicknesses of the plies can be varied by relative axial movements of the mandrel 14, mandrel head 25 and the die casing 10. Other features of the die include a nut 15 for adjusting the mandrel position, holes 26 in the mandrel head to engage a spanner to facilitate the adjustment of the mandrel head and an adapter head 17. A modification of the above die is shown in Fig. 2 (not shown) having the following features: a sleeve (54) which separates the mandrel from the die casing; the use of 0-rings for producing seals and an adjustment which allows the eccentricity of the die head to be varied.
GB1227914D 1968-04-26 1969-04-25 Expired GB1227914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72440568A 1968-04-26 1968-04-26

Publications (1)

Publication Number Publication Date
GB1227914A true GB1227914A (en) 1971-04-15

Family

ID=24910309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227914D Expired GB1227914A (en) 1968-04-26 1969-04-25

Country Status (6)

Country Link
US (1) US3546743A (en)
BE (1) BE732147A (en)
DE (1) DE1921083A1 (en)
FR (1) FR2007073A1 (en)
GB (1) GB1227914A (en)
NL (1) NL6906421A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185931A (en) * 1986-01-18 1987-08-05 Reifenhaeuser Masch Extrusion die for production of co-extruded thermoplastics laminated foil tubes
GB2204376B (en) * 1987-05-08 1991-03-20 Caprano & Brunnhofer Motor vehicle pipeline
GB2239302A (en) * 1989-12-20 1991-06-26 F I S T S P A Flexible two-layered plastics conduit

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES375737A1 (en) * 1969-01-04 1972-07-01 Pirelli Extrusion head for producing a resistant element of a conveyor belt, driving belt and the like
US3690806A (en) * 1970-10-15 1972-09-12 Midland Ross Corp Extrusion die head with reversed-flow and adjustable-choke structure
JPS51147556A (en) * 1975-06-13 1976-12-17 Toyo Soda Mfg Co Ltd Multiilayer rotary circular die
US4042661A (en) * 1976-01-23 1977-08-16 Crown Zellerbach Corporation Method and apparatus for forming tubular multilaminate plastic film
JPS5814294B2 (en) * 1976-04-26 1983-03-18 呉羽化学工業株式会社 Molding method and die structure of synthetic resin composite tubular body
US4061461A (en) * 1976-05-10 1977-12-06 Thermoplastice Processes Inc. Compound extrusion die for producing an internally lined extrudate
DE2712971A1 (en) * 1977-03-24 1978-10-05 Mauser Kg HOSE HEAD
US4281981A (en) * 1980-02-25 1981-08-04 Standard Oil Company (Ohio) Die assembly providing uniform pressure and flow
AT375005B (en) * 1981-09-07 1984-06-25 Haas Franz Waffelmasch METHOD AND DEVICE FOR THE PRODUCTION OF AN AT LEAST PARTLY COVERED AND, IF NECESSARY, AT LEAST PARTLY FILLED CAVITY CAKES
US4522775A (en) * 1982-03-04 1985-06-11 American Can Company Apparatus and method for producing multilayered laminates
US4465449A (en) * 1982-12-06 1984-08-14 Borg-Warner Chemicals, Inc. Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
US4784594A (en) * 1983-03-11 1988-11-15 Mobil Oil Corporation Single lip rotary tubular extrusion die
CA1319478C (en) * 1989-09-28 1993-06-29 Manfred A. A. Lupke Extrusion die having elongated extrusion nozzle which facilitates tool changes
US5387285A (en) * 1992-06-02 1995-02-07 R. J. Reynolds Tobacco Company Apparatus for injecting a fluid into filter tow
FR2704176B1 (en) * 1993-04-21 1995-07-13 Mc Neil Akron Repiquet Device for extruding layers of material concentrically around a central core, in particular a high voltage electric cable.
CN107195396A (en) * 2017-06-26 2017-09-22 江苏亨通电子线缆科技有限公司 A kind of replacement conductor carries out the deviation correcting device of cable extrusion
CN108995175A (en) * 2018-07-18 2018-12-14 联塑市政管道（河北）有限公司 A kind of PVC-U gives, drainpipe sharing die
US11312055B2 (en) 2018-10-01 2022-04-26 Homar Cisneros Method of adjusting a crosshead extruder die retaining assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US830201A (en) * 1902-11-18 1906-09-04 Andre Blondel Press for manufacturing arc-lamp electrodes.
US2736921A (en) * 1953-06-24 1956-03-06 Us Rubber Co Method and apparatus for forming self-sealing inner tube
US2957201A (en) * 1957-07-12 1960-10-25 Continental Can Co Extrusion die for two-ply seamless plastic tubing
US3102303A (en) * 1958-12-18 1963-09-03 Western Plastics Corp Apparatus for irradiation of plastics
US3223761A (en) * 1962-04-30 1965-12-14 Union Carbide Corp Melt extrusion of multi-wall plastic tubing
US3218971A (en) * 1963-02-14 1965-11-23 Rowland Products Inc Printing plate
US3419938A (en) * 1965-01-21 1969-01-07 Union Carbide Corp Multi-channel tubular extrusion die
US3315306A (en) * 1965-10-15 1967-04-25 Dow Chemical Co Apparatus for the production of multilayer film
US3447204A (en) * 1967-05-01 1969-06-03 John J Lainson Extrusion apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185931A (en) * 1986-01-18 1987-08-05 Reifenhaeuser Masch Extrusion die for production of co-extruded thermoplastics laminated foil tubes
GB2185931B (en) * 1986-01-18 1989-11-01 Reifenhaeuser Masch Extrusion tool for production of multilaminated foil tubes
GB2204376B (en) * 1987-05-08 1991-03-20 Caprano & Brunnhofer Motor vehicle pipeline
GB2239302A (en) * 1989-12-20 1991-06-26 F I S T S P A Flexible two-layered plastics conduit

Also Published As

Publication number Publication date
DE1921083A1 (en) 1969-11-20
NL6906421A (en) 1969-10-28
FR2007073A1 (en) 1970-01-02
US3546743A (en) 1970-12-15
BE732147A (en) 1969-10-01

Similar Documents

Publication Publication Date Title
GB1227914A (en)
US4770618A (en) Extrusion die for two-ply plastic tubing
US4808098A (en) Pipe extrusion die with a cooled and vacuumed additional mandrel
US4789327A (en) Adjustable pipe extrusion die with internal cooling
US4182603A (en) Multilayer tubular extrusion die
US4249875A (en) Co-extrusion apparatus and method for producing multiple-layered thermoplastic pipe
US4712993A (en) Extrusion die for externally ribbed plastic tubing
GB1375409A (en)
US3365750A (en) Extrusion die
ES379980A1 (en) Extrusion head for producing a multilayer blown tubular film
ES461172A1 (en) Method and apparatus for the extrusion of tubular thermoplastic film
ES336426A1 (en) Method for the manufacture of tubes of plastics material
US3416190A (en) Diehead
GB1422625A (en) Extrusion blowhead for tubular film
GB1284321A (en) Process and apparatus for the production of tubes and tubular films
GB1349843A (en) Plastics tubes
US5123827A (en) Extrusion die having elongated extrusion nozzle with facilitates tool changes
GB1414785A (en) Predominantly monaxially oriented film of a thermoplastic material and a process of preparing same
GB1093653A (en) Extruder head with mandrel for extruding hollow profiles
GB915796A (en) Improvements in method and apparatus for forming articles by extrusion
GB1166521A (en) Rotating Die Cap for Extrusion Die
US3275725A (en) Method of making laminated tubing
EP1914060A3 (en) Device for extruding hollow rods
GB1253454A (en) Die assembly
GB1270442A (en) Composite tubular film process and apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees